24664 has 8 divisors (see below), whose sum is σ = 46260. Its totient is φ = 12328.

The previous prime is 24659. The next prime is 24671. The reversal of 24664 is 46642.

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2¹³ + 4² + 6² + 6² + 4⁷ .

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534 + ... + 1549.

2²⁴⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

24664 is a deficient number, since it is larger than the sum of its proper divisors (21596).

24664 is a wasteful number, since it uses less digits than its factorization.

24664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089 (or 3085 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 24664 is about 157.0477634352. The cubic root of 24664 is about 29.1085901038.

Subtracting from 24664 its sum of digits (22), we obtain a palindrome (24642).

The spelling of 24664 in words is "twenty-four thousand, six hundred sixty-four".